* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 26 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 429347
Prefixes after maximum aggregation: 179558
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211091
Total ASes present in the Internet Routing Table: 42473
Prefixes per ASN: 10.11
Origin-only ASes present in the Internet Routing Table: 33769
Origin ASes announcing only one prefix: 15804
Transit ASes present in the Internet Routing Table: 5664
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 863
Unregistered ASNs in the Routing Table: 320
Number of 32-bit ASNs allocated by the RIRs: 3408
Number of 32-bit ASNs visible in the Routing Table: 3040
Prefixes from 32-bit ASNs in the Routing Table: 8225
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2608705708
Equivalent to 155 /8s, 125 /16s and 176 /24s
Percentage of available address space announced: 70.5
Percentage of allocated address space announced: 70.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 150890
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103560
Total APNIC prefixes after maximum aggregation: 32594
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 104331
Unique aggregates announced from the APNIC address blocks: 42864
APNIC Region origin ASes present in the Internet Routing Table: 4781
APNIC Prefixes per ASN: 21.82
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 776
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 339
Number of APNIC addresses announced to Internet: 712166816
Equivalent to 42 /8s, 114 /16s and 205 /24s
Percentage of available APNIC address space announced: 83.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 154829
Total ARIN prefixes after maximum aggregation: 78388
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155694
Unique aggregates announced from the ARIN address blocks: 69602
ARIN Region origin ASes present in the Internet Routing Table: 15297
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5783
ARIN Region transit ASes present in the Internet Routing Table: 1600
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087308416
Equivalent to 64 /8s, 207 /16s and 2 /24s
Percentage of available ARIN address space announced: 57.5
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 108864
Total RIPE prefixes after maximum aggregation: 57534
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111528
Unique aggregates announced from the RIPE address blocks: 72136
RIPE Region origin ASes present in the Internet Routing Table: 16926
RIPE Prefixes per ASN: 6.59
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2758
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1984
Number of RIPE addresses announced to Internet: 648413220
Equivalent to 38 /8s, 166 /16s and 0 /24s
Percentage of available RIPE address space announced: 94.3
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 44079
Total LACNIC prefixes after maximum aggregation: 8742
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 47472
Unique aggregates announced from the LACNIC address blocks: 22870
LACNIC Region origin ASes present in the Internet Routing Table: 1686
LACNIC Prefixes per ASN: 28.16
LACNIC Region origin ASes announcing only one prefix: 467
LACNIC Region transit ASes present in the Internet Routing Table: 317
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 695
Number of LACNIC addresses announced to Internet: 118157672
Equivalent to 7 /8s, 10 /16s and 241 /24s
Percentage of available LACNIC address space announced: 70.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9674
Total AfriNIC prefixes after maximum aggregation: 2246
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 10161
Unique aggregates announced from the AfriNIC address blocks: 3479
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.92
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 42364928
Equivalent to 2 /8s, 134 /16s and 112 /24s
Percentage of available AfriNIC address space announced: 42.1
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2972 11558 900 Korea Telecom (KIX)
17974 2418 829 55 PT TELEKOMUNIKASI INDONESIA
7545 1784 301 85 TPG Internet Pty Ltd
4755 1620 387 163 TATA Communications formerly
9829 1404 1154 41 BSNL National Internet Backbo
9583 1187 88 509 Sify Limited
4808 1112 2056 314 CNCGROUP IP network: China169
24560 1035 385 162 Bharti Airtel Ltd., Telemedia
9498 1027 310 74 BHARTI Airtel Ltd.
18101 1018 135 171 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3180 3724 164 bellsouth.net, inc.
7029 3132 989 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1928 678 126 PaeTec Communications, Inc.
22773 1909 2931 128 Cox Communications, Inc.
20115 1664 1586 617 Charter Communications
4323 1593 1155 393 Time Warner Telecom
30036 1351 273 754 Mediacom Communications Corp
7018 1276 10289 847 AT&T WorldNet Services
7011 1221 333 691 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1886 544 16 Corbina telecom
12479 853 776 64 Uni2 Autonomous System
34984 822 207 198 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
13188 706 93 135 Educational Network
20940 703 225 549 Akamai Technologies European
2118 664 97 14 EUnet/RELCOM Autonomous Syste
58113 601 66 364 LIR DATACENTER TELECOM SRL
8551 594 364 61 Bezeq International
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 2224 378 227 TVCABLE BOGOTA
28573 2144 1278 61 NET Servicos de Comunicao S.A
7303 1661 1131 202 Telecom Argentina Stet-France
8151 1588 3029 358 UniNet S.A. de C.V.
6503 1538 435 68 AVANTEL, S.A.
27947 739 74 96 Telconet S.A
3816 652 309 69 Empresa Nacional de Telecomun
11172 590 85 66 Servicios Alestra S.A de C.V
14420 590 88 102 CORPORACION NACIONAL DE TELEC
7738 585 1178 33 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 899 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 651 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 172 697 88 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3180 3724 164 bellsouth.net, inc.
7029 3132 989 161 Windstream Communications Inc
4766 2972 11558 900 Korea Telecom (KIX)
17974 2418 829 55 PT TELEKOMUNIKASI INDONESIA
10620 2224 378 227 TVCABLE BOGOTA
28573 2144 1278 61 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1928 678 126 PaeTec Communications, Inc.
22773 1909 2931 128 Cox Communications, Inc.
8402 1886 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3132 2971 Windstream Communications Inc
17974 2418 2363 PT TELEKOMUNIKASI INDONESIA
28573 2144 2083 NET Servicos de Comunicao S.A
4766 2972 2072 Korea Telecom (KIX)
10620 2224 1997 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
8402 1886 1870 Corbina telecom
1785 1928 1802 PaeTec Communications, Inc.
22773 1909 1781 Cox Communications, Inc.
7545 1784 1699 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
61408 UNALLOCATED 5.56.0.0/22 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 DAC AS Germany
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:14 /10:29 /11:87 /12:241
/13:478 /14:850 /15:1548 /16:12450 /17:6511 /18:10861
/19:21234 /20:30453 /21:32535 /22:43050 /23:40190 /24:224530
/25:1355 /26:1701 /27:912 /28:180 /29:78 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2622 3132 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1791 3180 bellsouth.net, inc.
8402 1586 1886 Corbina telecom
30036 1272 1351 Mediacom Communications Corp
22773 1249 1909 Cox Communications, Inc.
11492 1148 1183 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1018 1928 PaeTec Communications, Inc.
7011 957 1221 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:646 2:790 3:1 4:13 5:583 6:3
8:477 12:1977 13:1 14:679 15:11 16:3
17:6 20:27 23:207 24:1790 27:1354 31:1031
32:54 33:2 34:2 36:7 37:917 38:839
39:2 40:136 41:2775 42:175 44:3 46:1639
47:2 49:460 50:610 52:12 54:25 55:9
56:4 57:27 58:984 59:544 60:236 61:1301
62:971 63:2005 64:4285 65:2229 66:4533 67:2078
68:1157 69:3226 70:986 71:506 72:1879 74:2620
75:477 76:308 77:972 78:1008 79:504 80:1235
81:976 82:623 83:543 84:526 85:1152 86:485
87:945 88:361 89:1806 90:303 91:5272 92:588
93:1437 94:1668 95:1279 96:396 97:325 98:966
99:39 100:30 101:289 103:1696 105:512 106:122
107:201 108:473 109:1614 110:812 111:974 112:435
113:733 114:639 115:891 116:915 117:757 118:950
119:1229 120:354 121:694 122:1694 123:1161 124:1342
125:1280 128:580 129:196 130:283 131:615 132:303
133:142 134:252 135:62 136:219 137:238 138:337
139:170 140:489 141:288 142:492 143:382 144:497
145:82 146:512 147:265 148:735 149:330 150:158
151:204 152:450 153:183 154:21 155:437 156:227
157:372 158:264 159:663 160:337 161:412 162:365
163:191 164:709 165:449 166:512 167:558 168:977
169:126 170:922 171:152 172:7 173:1688 174:613
175:452 176:784 177:1318 178:1618 180:1356 181:161
182:1080 183:313 184:610 185:42 186:2231 187:1372
188:1702 189:1592 190:5907 192:6040 193:5544 194:4265
195:3460 196:1233 197:248 198:3910 199:5086 200:6010
201:1964 202:8702 203:8724 204:4414 205:2515 206:2748
207:2805 208:4056 209:3626 210:2835 211:1534 212:2073
213:1834 214:895 215:87 216:5113 217:1568 218:570
219:307 220:1255 221:533 222:338 223:404
End of report
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